Title: Brotli Checker Author: Kriko Published: Jul 20, 2026 Last modified: Jul 21, 2026 --- 1. [Home](https://kriko.io/) / 2. [Tools](https://kriko.io/tools) / 3. Brotli Checker # Brotli Checker Loading Brotli Checker… 1 ## Enter a URL Brotli is a compression algorithm that shrinks text responses more than gzip, cutting transfer size and speeding up page loads for supported browsers. 2 ## Check Brotli support The tool requests the page advertising Brotli support and reads the server's response to confirm whether Brotli is served and how much it saves. ## Popular Tools ![DNS Checker](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/assets/img/ tools/tool-dns-checker.svg) ### DNS Checker Go to Tool ![SERP Preview](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/assets/img/ tools/tool-serp-preview.svg) ### SERP Preview Go to Tool ![robots.txt Generator](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/ assets/img/tools/tool-robots-txt.svg) ### robots.txt Generator Go to Tool ![Meta Title & Description Length](https://kriko.io/wp-content/plugins/kriko-seo- tools/src/assets/img/tools/tool-meta-length-checker.svg) ### Meta Title 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### Password Generator Go to Tool ## What Is a Brotli Checker? A Brotli Checker is a free tool that allows you to check whether Brotli compression is enabled on a web page. Brotli is a compression algorithm that reduces the size of text-based files such as HTML, CSS, and JavaScript before they are sent to the browser. It generally provides higher compression efficiency than Gzip, helping reduce the amount of transferred data. As a result, web pages can load faster in supported browsers, while server bandwidth can be used more efficiently. With Kriko Brotli Checker, you can enter the URL you want to test and quickly determine whether the server delivers content compressed with Brotli. The tool analyzes the server response and provides clear information about the compression status and the resulting file size savings. ## How to Check Brotli Compression Enter the full URL of the web page you want to test in the relevant field and start the query. The tool sends a request indicating that it supports Brotli compression. It then examines the server response headers and content size to determine whether Brotli compression is enabled. The results show whether the page is delivered in Brotli-compressed form and how much file size has been reduced through compression. This allows you to quickly verify whether your server or CDN configuration is working correctly. ## Why Is Brotli Compression Important? Uncompressed web files can increase the amount of data transferred to the browser and extend page loading times. This can negatively affect the user experience, particularly on mobile devices, slower connections, and pages with large files. Brotli compression reduces file sizes, helping page content download more quickly. Transferring less data also supports more efficient use of server resources and bandwidth. For this reason, checking Brotli compression is an important part of website performance analysis and technical SEO audits. ## Is the Brotli Checker Tool Free? Kriko Brotli Checker is completely free and does not require registration. Enter the URL you want to test to review the Brotli compression status and file size savings within seconds. The tool only connects to the address you query and does not share your queries or results with third parties. ## Track the digital heartbeat with Kriko Subscribe to receive curated insights, news, and ideas shaping the digital landscape. By checking this box, you acknowledge and accept our [privacy policy](https://kriko.io/privacy-policy).